import axios from 'axios'
import { Toast } from 'vant'

// MessageBox
// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000, // request timeout
})
let toast = null
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    toast = Toast.loading({
      duration: 0,       // 持续展示 toast
      forbidClick: true, // 禁用背景点击
      mask: true,
      loadingType: 'spinner',
      message: '加载中'
    })

    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code.
   */
  response => {
    toast.clear()
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (+res.code !== 1) {
      Toast.fail(res.msg)
      return Promise.reject(res.msg || 'error')
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Toast.fail(error.message)
    return Promise.reject(error)
  }
)

export default service
